• BigTeaser Start 01

    Calculate, comment, correct !
    Are you often annoyed with typos and must enter long calculation chains again and again ?

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  • BigTeaser Start 02

    With CalcTape, also extensive calculations remain clearly structured. CalcTape makes the arithmetic process visible - you can generate intermediate results and subsequently correct or change all numbers and operations.

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  • BigTeaser Start 03

    Doing a calculation quickly and add some comments for later use ?
    No problem - with CalcTape. CalcTape is available for iPhone, iPad, MacOS, Android and Windows.

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  • BigTeaser CalcTape Windows en

    CalcTape Business is the perfect alternative for your old adding machines / desktop calculators in your company / government / organization.

    Go to CalcTape for Business
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